public function testWrite()
{
$key = 'write-test';
$value = 'value to be written';
$closure = $this->Memory->write($key, $value);
$this->assertInternalType('callable', $closure);
$params = compact('key', 'value');
$result = $closure($this->Memory, $params, null);
$this->assertEqual($this->Memory->_session[$key], $value);
}